MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Giving a test to a group of students, the grades and genders are summarized below.
A | B | C | Total | |
Male | 12 | 9 | 20 | 41 |
Female | 7 | 13 | 10 | 30 |
Total | 19 | 22 | 30 | 71 |
If one student is chosen at random,
find the
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